/* 
    assets/css/animations.css 
    Patna Luxury Beauty Studio - Animations (Vanilla CSS alternative to GSAP)
*/

/* Base Animation Classes */
.animate-on-scroll {
    opacity: 0;
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94), 
                transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    will-change: opacity, transform;
}

.animate-on-scroll.is-visible {
    opacity: 1;
    transform: translate(0, 0) scale(1);
}

/* Specific Animations */
.fade-up {
    transform: translateY(40px);
}

.fade-down {
    transform: translateY(-40px);
}

.fade-left {
    transform: translateX(-40px);
}

.fade-right {
    transform: translateX(40px);
}

.zoom-in {
    transform: scale(0.95);
}

/* Delay Utility Classes */
.delay-100 { transition-delay: 0.1s; }
.delay-200 { transition-delay: 0.2s; }
.delay-300 { transition-delay: 0.3s; }
.delay-400 { transition-delay: 0.4s; }
.delay-500 { transition-delay: 0.5s; }

/* Micro Interactions */
.hover-lift {
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.hover-lift:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-premium);
}

.hover-zoom img {
    transition: transform var(--transition-slow);
}

.hover-zoom:hover img {
    transform: scale(1.05);
}

/* Page Transition Overlay */
.page-transition {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: var(--secondary);
    z-index: 9999;
    transform-origin: bottom;
    transition: transform 0.6s cubic-bezier(0.86, 0, 0.07, 1);
}

.page-transition.slide-up {
    transform: scaleY(0);
}

/* Loader */
.loader-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--white);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    transition: opacity 0.5s ease;
}

.loader-wrapper.fade-out {
    opacity: 0;
    pointer-events: none;
}

.loader {
    width: 50px;
    height: 50px;
    border: 3px solid var(--accent);
    border-radius: 50%;
    border-top-color: var(--primary);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Animated Hero Elements */
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
    100% { transform: translateY(0px); }
}

.floating-element {
    animation: float 6s ease-in-out infinite;
}

/* Text Reveal Animation */
.text-reveal {
    overflow: hidden;
    display: inline-block;
}

.text-reveal > * {
    display: inline-block;
    transform: translateY(100%);
    transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.text-reveal.is-visible > * {
    transform: translateY(0);
}